PrimaDonna to Curvy Kate bra size

The short answer

PrimaDonna 75E is Curvy Kate 34DD by the two brands' own charts.

Cups are counted along each brand's own letter order, and the band is carried across unchanged.

Every PrimaDonna size read across to Curvy Kate. EU sizes on the left, UK on the right.
PrimaDonna	Curvy Kate, by chart	Same label	Curvy Kate also prints
75B	not made	not published	not published
75C	not made	not published	not published
75D	34D	not published	US D · EU D · FR D · AU D
75E	34DD	not published	US DD/E · EU E · FR E · AU DD
75F	34E	not published	US DDD/F · EU F · FR F · AU E
75G	34F	not published	US G · EU G · FR G · AU F
75H	34FF	not published	US H · EU H · FR H · AU FF
75I	34G	not published	US I · EU J · FR J · AU G
75J	34GG	not published	US J · EU K · FR K · AU GG
75K	34H	not published	US K · EU L · FR L · AU H
75L	34HH	not published	US L · EU M · FR M · AU HH
75M	34J	not published	US M · EU N · FR N · AU J

Neither chart publishes the body each size is built for, so the rows line up the labels. Tinted rows change label or sit between two sizes. 2 sizes have no counterpart on the Curvy Kate chart. Read from the two charts only; no formula and no averaging.

What wearers say

Charts describe a garment. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.

Open in the converter Add an item you own

Sources

PrimaDonna size guide, read on 2026-09-18.
Curvy Kate size guide, read on 2026-09-18. Curvy Kate on TrueToSize

Curvy Kate to PrimaDonna